'\" te
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.TH SETPGRP 2 "Jan 5, 2000"
.SH NAME
setpgrp \- set process group ID
.SH SYNOPSIS
.LP
.nf
#include <sys/types.h>
#include <unistd.h>

\fBpid_t\fR \fBsetpgrp\fR(\fBvoid\fR);
.fi

.SH DESCRIPTION
.sp
.LP
If the calling process is not already a session leader, the \fBsetpgrp()\fR
function makes it one by setting its process group \fBID\fR and session
\fBID\fR to the value of its process \fBID\fR, and releases its controlling
terminal. See \fBIntro\fR(2) for more information on process group \fBID\fRs
and session leaders.
.SH RETURN VALUES
.sp
.LP
The \fBsetpgrp()\fR function returns the value of the new process group
\fBID\fR.
.SH ERRORS
.sp
.LP
No errors are defined.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
.TE

.SH SEE ALSO
.sp
.LP
.BR setpgrp (1),
.BR Intro (2),
.BR exec (2),
.BR fork (2),
.BR getpid (2),
.BR getsid (2),
.BR kill (2),
.BR signal (3C),
.BR attributes (7),
.BR standards (7)
